Description:Brand: DeltaModel: AFB1212SHEDimensions: 120 × 120 × 38mmVoltage: DC 12VCurrent: 1.60A (rated)Speed: 2,100 RPM (normal) / up to 4,000 RPM (full speed)Airflow: 45 CFM (normal) / up to 154.5 CFM (full speed) – powerful cooling performanceNoise: 23 dBA (normal) / 45.4 dBA (full speed) – quiet under normal conditionsBearing: High-precision dual ball bearing – long lifespan and stable operationPower tolerance: ±15% of rated voltageInsulation resistance: >500 MΩDielectric strength: ≤0.5mA leakage current at 500V/1minLifespan: 80,000 hours at 25°C ambient temperatureCompatibility: Designed for Dell Precision 390 workstation CPU cooling, also fits other 120mm fan applicationsOrigin: Made in ChinaSmart Temperature ControlAutomatically adjusts speed based on temperatureActual test: ~2,100 RPM / 23 dBA at 30°C ambient – very quietSpeed rises linearly with temperature~3,800 RPM (near full speed) at 65°C – strong airflow when you need it mostTypical chassis temperature around 45°C during normal usePerfect for: PC case cooling, radiator fans, server cooling, workstation upgrades, and DIY projects requiring high static pressure and reliable cooling.
Size Tolerance for Unmounted Bare Filters:
For diameter ≤ 25.4mm: Diameter tolerance +0/-0.1mm; thickness tolerance ±0.1mm
- For diameter > 25.4mm: Diameter tolerance +0/-0.2mm; thickness tolerance ±0.1mm
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